What are the cheapest airlines to fly from Ontario to Caribbean one-way?

The cheapest airlines for a one-way flight from Ontario to Caribbean are Frontier ($109), Delta ($173), and JetBlue ($189).

In terms of precipitation, rainfall in Caribbean ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Caribbean when rainfall is around 2.2 in.

If weather is an important factor for your trip to Caribbean, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What are the most popular routes from Ontario to Caribbean?

The most popular route from Ontario to Caribbean is Ontario - San Juan Luis Munoz Marin Intl. You may also consider Ontario - Punta Cana or Ontario - Montego Bay Sangster Intl.

What are the most popular airlines that fly from Ontario to Caribbean?

Before booking your flight from Ontario to Caribbean check out the most popular airlines for this route: American Airlines, JetBlue or Delta.

How far in advance should I book a flight from Ontario to Caribbean?

Find a great deal and save up to 90% by booking at least 51 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Caribbean within the next two weeks, with the cheapest ticket starting at $384.

What is the cheapest month to fly from Ontario to Caribbean?

September is one of the best times of the year to fly to Caribbean from Ontario. Prices for September average $479 per person but you can even find prices for as low as $241. The most expensive prices can be found in the month of December. Opting for a September flight can save you 42% on your journey compared to booking in December

What airport do you fly from for flights from Ontario to Caribbean?

If you book a flight to Caribbean from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

Can I find deals for flights from Ontario to Caribbean that include hotel bookings?

Yes. In addition to deals on Ontario to Caribbean flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Caribbean?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Caribbean.

Can I find deals for business class flights from Ontario to Caribbean?

Yes. Cheapflights offers flight deals from Ontario to Caribbean by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$469+ Flights from Ontario to Caribbean

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Cheap flight deals from Ontario to Caribbean

Round-trip from	$345 (Delta)
One-way from	$109 (Trip.com)

From Ontario to Caribbean

Search Deals

One-way flight from Ontario to Caribbean

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Find flight deals from Ontario to Caribbean

Cheapest flights from Ontario to Caribbean
Explore the most affordable flight options available from Ontario to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Sat 9/68:04 pmONT - SJU

2 stops15h 43mAmerican Airlines

Wed 9/108:30 amSJU - ONT

2 stops16h 10mAmerican Airlines

Deal found 1/16

$345

Tue 2/46:00 amONT - SJU

2 stops14h 36mUnited Airlines

Fri 2/78:10 amSJU - ONT

2 stops17h 47mUnited Airlines

Deal found 1/16

$358

Fri 10/2410:59 pmONT - SJU

1 stop11h 42mDelta

Fri 11/73:45 pmSJU - ONT

1 stop10h 44mDelta

Deal found 1/16

$365

Wed 3/1212:59 amONT - PUJ

2 stops12h 40mFrontier

Sun 3/161:15 pmPUJ - ONT

2 stops21h 11mFrontier

Deal found 1/14

$396

Wed 4/93:17 pmONT - SDQ

2 stops19h 27mFrontier

Thu 4/172:54 pmSDQ - ONT

2 stops19h 31mFrontier

Deal found 1/15

$414

Wed 2/266:00 amONT - NAS

1 stop10h 51mAlaska Airlines

Tue 3/411:00 amNAS - ONT

1 stop13h 27mAlaska Airlines

Deal found 1/16

$431

Sat 5/311:37 pmONT - NAS

1 stop14h 52mJetBlue

Wed 5/710:00 amNAS - ONT

1 stop15h 22mJetBlue

Deal found 1/15

$485

Wed 4/305:45 amONT - SJU

2 stops13h 45mSouthwest

Sun 5/45:50 amSJU - ONT

2 stops11h 00mSouthwest

Deal found 1/16

$490

Fri 5/211:37 pmONT - PUJ

1 stop10h 24mJetBlue

Wed 5/711:05 amPUJ - ONT

1 stop14h 17mJetBlue

Deal found 1/15

$495

Fri 3/212:43 pmONT - SJU

2 stops25h 09mFrontier

Fri 3/289:31 pmSJU - ONT

2 stops36h 55mFrontier

Deal found 1/15

$498

Tue 2/254:25 pmONT - SDQ

2 stops15h 30mAmerican Airlines

Mon 3/34:58 pmSDQ - ONT

2 stops21h 03mAmerican Airlines

Deal found 1/14

$511

Sun 2/2311:59 pmONT - STT

2 stops11h 26mAmerican Airlines

Sun 3/26:35 pmSTT - ONT

2 stops18h 37mAmerican Airlines

Deal found 1/16

$550

Best flights from Ontario to Caribbean
Discover carefully curated flight deals from Ontario to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 16, 2025.

Sat 2/227:05 amONT - SJU

1 stop12h 41mDelta

Fri 2/286:15 amSJU - ONT

1 stop9h 40mDelta

Deal found 1/15

$345

Tue 2/46:00 amONT - SJU

2 stops14h 36mUnited Airlines

Fri 2/73:46 pmSJU - ONT

1 stop10h 11mUnited Airlines

Deal found 1/16

$358

Fri 2/2111:59 pmONT - SJU

2 stops11h 46mAmerican Airlines

Tue 2/256:30 amSJU - ONT

1 stop11h 28mAmerican Airlines

Deal found 1/15

$365

Wed 3/1212:59 amONT - PUJ

2 stops12h 40mFrontier

Sun 3/161:15 pmPUJ - ONT

2 stops21h 11mFrontier

Deal found 1/14

$396

Wed 2/266:00 amONT - NAS

1 stop10h 51mAlaska Airlines

Tue 3/411:00 amNAS - ONT

1 stop13h 27mAlaska Airlines

Deal found 1/16

$431

Tue 3/257:55 pmONT - SJU

2 stops10h 50mSouthwest

Tue 4/15:35 amSJU - ONT

2 stops13h 35mSouthwest

Deal found 1/14

$468

Sat 5/311:37 pmONT - NAS

1 stop14h 52mJetBlue

Wed 5/710:00 amNAS - ONT

1 stop15h 22mJetBlue

Deal found 1/15

$485

Mon 2/105:10 amONT - PUJ

2 stops14h 35mAir Canada

Sat 2/1510:50 pmPUJ - ONT

2 stops26h 02mAir Canada

Deal found 1/16

$673

Wed 3/269:13 pmONT - PUJ

2 stops16h 51mMultiple Airlines

Sun 3/306:17 amPUJ - ONT

2 stops20h 02mMultiple Airlines

Deal found 1/15

$687

Fri 3/1410:44 amONT - SJU

2 stops29h 08mFrontier

Sun 3/169:30 pmSJU - ONT

2 stops20h 34mFrontier

Deal found 1/15

$409

Wed 4/93:17 pmONT - SDQ

2 stops19h 27mFrontier

Thu 4/172:54 pmSDQ - ONT

2 stops19h 31mFrontier

Deal found 1/15

$414

Fri 5/211:37 pmONT - PUJ

1 stop10h 24mJetBlue

Wed 5/711:05 amPUJ - ONT

1 stop14h 17mJetBlue

Deal found 1/15

$495

Last-minute flights from Ontario to Caribbean
Discover last-minute flight deals from Ontario to Caribbean. Data last updated January 16, 2025 and is based on user searches.

Tue 1/2110:47 amONT - STT

2 stops23h 09mUnited Airlines

Fri 1/241:05 pmSTT - ONT

2 stops24h 46mUnited Airlines

Deal found 1/15

$1,185

Wed 1/225:10 amONT - PUJ

2 stops12h 50mAir Canada

Tue 1/2810:50 pmPUJ - ONT

2 stops26h 01mAir Canada

Deal found 1/14

$727

Wed 1/228:56 pmONT - PUJ

2 stops16h 08mMultiple Airlines

Tue 2/118:36 amPUJ - ONT

3 stops18h 25mMultiple Airlines

Deal found 1/16

$780

Wed 1/225:10 pmONT - PUJ

2 stops16h 09mDelta

Tue 1/282:02 pmPUJ - ONT

1 stop12h 50mDelta

Deal found 1/14

$888

Wed 1/2210:56 amONT - PUJ

1 stop25h 39mAmerican Airlines

Tue 1/2812:55 pmPUJ - ONT

1 stop13h 50mAmerican Airlines

Deal found 1/14

$1,117

Thu 1/236:00 amONT - SDQ

2 stops14h 56mDelta

Fri 1/313:22 pmSDQ - ONT

1 stop11h 30mDelta

Deal found 1/16

$579

Thu 1/2310:30 pmONT - SDQ

3 stops18h 09mMultiple Airlines

Fri 1/316:15 pmSDQ - ONT

3 stops32h 46mMultiple Airlines

Deal found 1/16

$1,259

Fri 1/245:10 amONT - SJU

1 stop9h 15mUnited Airlines

Tue 1/283:46 pmSJU - ONT

1 stop10h 11mUnited Airlines

Deal found 1/16

$715

Sat 1/2510:00 amONT - SDQ

2 stops9h 49mAmerican Airlines

Fri 2/76:00 amSDQ - ONT

2 stops11h 51mAmerican Airlines

Deal found 1/15

$632

Sat 1/256:00 amONT - SDQ

2 stops16h 49mUnited Airlines

Mon 2/36:00 amSDQ - ONT

2 stops18h 51mUnited Airlines

Deal found 1/16

$669

Sun 1/261:45 pmONT - PUJ

2 stops19h 56mUnited Airlines

Fri 2/75:25 pmPUJ - ONT

2 stops23h 18mUnited Airlines

Deal found 1/14

$751

Sun 1/265:10 amONT - NAS

2 stops26h 45mAir Canada

Wed 1/2912:00 pmNAS - ONT

2 stops35h 51mAir Canada

Deal found 1/15

$755

One-way flights from Ontario to Caribbean
Search for one-way flight options from Ontario to Caribbean. Find affordable one-way fares based on user searches. Data last updated January 16, 2025.

Mon 3/35:13 pmONT - SJU

2 stops16h 49mFrontier

Deal found 1/15

$109

Sat 2/87:59 pmONT - PUJ

2 stops17h 40mFrontier

Deal found 1/16

$143

Wed 3/57:05 amONT - SJU

1 stop12h 41mDelta

Deal found 1/15

$173

Sat 2/87:59 pmONT - PUJ

3 stops39h 46mMultiple Airlines

Deal found 1/16

$189

Thu 5/111:37 pmONT - NAS

1 stop14h 52mJetBlue

Deal found 1/15

$189

Sat 3/112:59 amONT - MBJ

3 stops33h 44mMultiple Airlines

Deal found 1/16

$215

Wed 5/1411:37 pmONT - AUA

1 stop11h 53mJetBlue

Deal found 1/16

$219

Tue 3/45:05 amONT - SJU

1 stop9h 20mUnited Airlines

Deal found 1/15

$223

Mon 3/1011:59 pmONT - SDQ

2 stops17h 27mBritish Airways

Deal found 1/15

$258

Fri 3/286:00 amONT - NAS

1 stop10h 40mAlaska Airlines

Deal found 1/14

$262

Wed 2/197:30 pmONT - SDQ

2 stops16h 28mAmerican Airlines

Deal found 1/15

$269

Tue 2/183:30 pmONT - AUA

2 stops20h 30mUnited Airlines

Deal found 1/16

$270

Find flights from Ontario to Caribbean within your budget

Fly from

Fly to

Route

Depart

Return

Price

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sat 2/22

7:05 am-11:46 pm

1 stop12h 41m

San Juan Luis Munoz Marin Intl

Fri 2/28

6:15 am-11:55 am

1 stop9h 40m

$345

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 2/4

6:00 am-12:36 am

2 stops14h 36m

San Juan Luis Munoz Marin Intl

Fri 2/7

3:46 pm-9:57 pm

1 stop10h 11m

$358

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Fri 2/21

11:59 pm-3:45 pm

2 stops11h 46m

San Juan Luis Munoz Marin Intl

Tue 2/25

6:30 am-1:58 pm

1 stop11h 28m

$365

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

Wed 3/12

12:59 am-4:39 pm

2 stops12h 40m

Punta Cana

Sun 3/16

1:15 pm-7:26 am

2 stops21h 11m

$396

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Fri 3/14

10:44 am-6:52 pm

2 stops29h 08m

San Juan Luis Munoz Marin Intl

Sun 3/16

9:30 pm-3:04 pm

2 stops20h 34m

$409

OntarioSanto Domingo

ONT - SDQ

ONTSDQ

Ontario

Wed 4/9

3:17 pm-1:44 pm

2 stops19h 27m

Santo Domingo Las Americas

Thu 4/17

2:54 pm-7:25 am

2 stops19h 31m

$414

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Wed 2/26

6:00 am-7:51 pm

1 stop10h 51m

Nassau Intl

Tue 3/4

11:00 am-9:27 pm

1 stop13h 27m

$431

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 3/25

7:55 pm-9:45 am

2 stops10h 50m

San Juan Luis Munoz Marin Intl

Tue 4/1

5:35 am-4:10 pm

2 stops13h 35m

$468

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Sat 5/3

11:37 pm-5:29 pm

1 stop14h 52m

Nassau Intl

Wed 5/7

10:00 am-10:22 pm

1 stop15h 22m

$485

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

Fri 5/2

11:37 pm-1:01 pm

1 stop10h 24m

Punta Cana

Wed 5/7

11:05 am-10:22 pm

1 stop14h 17m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 60 results

...

Best time to book a flight from Ontario to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Caribbean

Get recent, data-driven insights about flights from Ontario to Caribbean including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Caribbean?

Currently, September is the cheapest month in which you can book a flight from Ontario to Caribbean (average of $254). Flying from Ontario to Caribbean in March is currently the most expensive (average of $378). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to CB?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Caribbean as you normally would.

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Caribbean with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Caribbean

Round-trip from

One-way from

Find flight deals from Ontario to Caribbean

Cheapest flights from Ontario to Caribbean
Explore the most affordable flight options available from Ontario to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Explore the most affordable flight options available from Ontario to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Best flights from Ontario to Caribbean
Discover carefully curated flight deals from Ontario to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 16, 2025.

Discover carefully curated flight deals from Ontario to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 16, 2025.

Last-minute flights from Ontario to Caribbean
Discover last-minute flight deals from Ontario to Caribbean. Data last updated January 16, 2025 and is based on user searches.

Discover last-minute flight deals from Ontario to Caribbean. Data last updated January 16, 2025 and is based on user searches.

One-way flights from Ontario to Caribbean
Search for one-way flight options from Ontario to Caribbean. Find affordable one-way fares based on user searches. Data last updated January 16, 2025.

Search for one-way flight options from Ontario to Caribbean. Find affordable one-way fares based on user searches. Data last updated January 16, 2025.

Find flights from Ontario to Caribbean within your budget

Best time to book a flight from Ontario to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from Ontario with our price prediction graph.

Travel insights for flights from Ontario to Caribbean

Get recent, data-driven insights about flights from Ontario to Caribbean including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Caribbean?

What is the cheapest time of day to fly from ONT to CB?

Find hourly flight availability from Ontario to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

Rainfall in Caribbean by month

$90+ Cheap flights from Ontario (ONT) to Caribbean

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Caribbean with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Caribbean

Round-trip from

One-way from

Find flight deals from Ontario to Caribbean

Cheapest flights from Ontario to CaribbeanExplore the most affordable flight options available from Ontario to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Explore the most affordable flight options available from Ontario to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Find flights from Ontario to Caribbean within your budget

Best time to book a flight from Ontario to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from Ontario with our price prediction graph.

Travel insights for flights from Ontario to Caribbean

Get recent, data-driven insights about flights from Ontario to Caribbean including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Caribbean?

What is the cheapest time of day to fly from ONT to CB?

Find hourly flight availability from Ontario to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

Rainfall in Caribbean by month

Cheapest flights from Ontario to Caribbean
Explore the most affordable flight options available from Ontario to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.